diff --git a/NgxExport/Tools.hs b/NgxExport/Tools.hs
--- a/NgxExport/Tools.hs
+++ b/NgxExport/Tools.hs
@@ -190,27 +190,27 @@
 --
 -- testReadIntHandler :: ByteString -> L.ByteString
 -- __/testReadIntHandler/__ = showAsLazyByteString .
---     'readFromByteString' \@(Maybe Int)
+--     'readFromByteString' \@Int
 -- 'ngxExportYY' \'testReadIntHandler
 --
 -- testReadConfHandler :: ByteString -> L.ByteString
 -- __/testReadConfHandler/__ = showAsLazyByteString .
---     'readFromByteString' \@(Maybe Conf)
+--     'readFromByteString' \@Conf
 -- 'ngxExportYY' \'testReadConfHandler
 --
 -- testReadConfJSONHandler :: ByteString -> IO L.ByteString
 -- __/testReadConfJSONHandler/__ = return . showAsLazyByteString .
---     'readFromByteStringAsJSON' \@(Maybe ConfJSON)
+--     'readFromByteStringAsJSON' \@ConfJSON
 -- 'ngxExportAsyncIOYY' \'testReadConfJSONHandler
 --
 -- testReadConfWithRPtrHandler :: ByteString -> L.ByteString
 -- __/testReadConfWithRPtrHandler/__ = showAsLazyByteString .
---     'readFromByteStringWithRPtr' \@(Maybe Conf)
+--     'readFromByteStringWithRPtr' \@Conf
 -- 'ngxExportYY' \'testReadConfWithRPtrHandler
 --
 -- testReadConfWithRPtrJSONHandler :: ByteString -> L.ByteString
 -- __/testReadConfWithRPtrJSONHandler/__ = showAsLazyByteString .
---     'readFromByteStringWithRPtrAsJSON' \@(Maybe ConfJSON)
+--     'readFromByteStringWithRPtrAsJSON' \@ConfJSON
 -- 'ngxExportYY' \'testReadConfWithRPtrJSONHandler
 -- @
 --
diff --git a/ngx-export-tools.cabal b/ngx-export-tools.cabal
--- a/ngx-export-tools.cabal
+++ b/ngx-export-tools.cabal
@@ -1,5 +1,5 @@
 name:                       ngx-export-tools
-version:                    0.4.2.3
+version:                    0.4.2.4
 synopsis:                   Extra tools for Nginx haskell module
 description:                Extra tools for
         <http://github.com/lyokha/nginx-haskell-module Nginx haskell module>.